Panasonic WH-MXF09D3E8 [54/118] Tank booster heater control

Panasonic WH-MXF09D3E8 [54/118] Tank booster heater control
54
12.10 Tank Booster Heater Control
12.10.1 Tank booster heater control
Heating operation condition:
Tank set temperature +
[-5°C]
T
ank set temperature +
[+2°C]
Heater OFF
Heater ON
1. Booster heater Turn On condition:
After BOOSTER HEATER DELAY TIMER fulfill during heat pump startup time in tank mode, or during
switching from heating heat-up interval to tank heat-up interval in heat + tank mode (heating priority not set).
Tank temperature < tank set temperature + [-5°C],
20 minutes since previous heater off.
* BOOSTER HEATER DELAY TIMER is clear when tank heat-up interval end.
2. Booster heater Turn Off condition:-
Tank temperature > tank set temperature + [+2°C] for continuous 15 sec
When BOOSTER HEATER DELAY TIMER start count after switch from heating heat-up interval to tank heat-
up interval
* DELAY TIMER can be set by remote control.
12.11 Three Way Valve Control
Purpose:
o 3 ways valve is used to change flow direction of hot water from heat pump between heating side and
tank side
Control contents:
1. 3 ways valve switch Off:
During 3 ways valve switch Off time, the hot water will provide heat capacity to heating side.
2. 3 ways valve switch On:
During 3 ways valve switch On time, the hot water will provide heat capacity to tank side.
3. Stop condition:
During stop mode, 3 ways valve will be in switch off position
12.12 Sterilization Mode
1. During Sterilization mode, Tank will be heat up to the Sterilize Set temperature for a certain period of time, also
set by controller.
2. The function can only be set on timer to operate once in a week.
3. It will be cancelled even when the temperature is not reached after 4 hours.
4. When tank mode is OFF or disabled, sterilization is cancelled.
12.13 Quiet Operation
Purpose:
o To provide quiet operation compare to normal operation by reduces mono bloc unit noise.
Starting condition:
1. When quiet button is presses.
2. When quiet request ON time by weekly timer (Refer to remote control.)
When any of above mentioned condition is achieved, this control is activated.
New target FM speed = Present target FM speed - 80 rpm
Minimum target FM speed = 200 rpm

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